Electronic Devices - BJT Amplifiers
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Exercise"It takes a very long time to become young."
- Pablo Picasso
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| 31. |
Under which of the following condition(s) is the current gain  ? |
| A. |
ro  10RC | | B. |
RB 10re | | C. |
ro 10RC and RB 10re | | D. |
None of the above |
Answer: Option D
Explanation:
No answer description available for this question. Let us discuss.
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| 32. |
The ________ configuration is frequently used for impedance matching. |
| A. |
fixed-bias | | B. |
voltage-divider bias | | C. |
emitter-follower | | D. |
collector feedback |
Answer: Option D
Explanation:
No answer description available for this question. Let us discuss.
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| 33. |
Refer to this figure. You notice while servicing this amplifier that the output signal at Vout is reduced from normal. The problem could be caused by
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| A. |
an open C3. | | B. |
an open C2. | | C. |
an open base-emitter of Q2. | | D. |
a shorted C2. |
Answer: Option E
Explanation:
No answer description available for this question. Let us discuss.
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| 34. |
When the bypass capacitor is removed from a common-emitter amplifier, the voltage gain |
| A. |
increases. | | B. |
decreases. | | C. |
has very little effect. |
Answer: Option C
Explanation:
No answer description available for this question. Let us discuss.
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| 35. |
Refer to this figure. Determine the value of VC.
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Answer: Option B
Explanation:
No answer description available for this question. Let us discuss.
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